13552434 has 160 divisors (see below), whose sum is σ = 39726720. Its totient is φ = 3359232.

The previous prime is 13552421. The next prime is 13552457. The reversal of 13552434 is 43425531.

13552434 is a `hidden beast` number, since 135 + 524 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13552398 and 13552407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 366264 + ... + 366300.

It is an arithmetic number, because the mean of its divisors is an integer number (248292).

Almost surely, 2^13552434 is an apocalyptic number.

13552434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13552434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19863360).

13552434 is an abundant number, since it is smaller than the sum of its proper divisors (26174286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13552434 is a wasteful number, since it uses less digits than its factorization.

13552434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 85 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 13552434 is about 3681.3630627799. The cubic root of 13552434 is about 238.4180328273.

Adding to 13552434 its reverse (43425531), we get a palindrome (56977965).

The spelling of 13552434 in words is "thirteen million, five hundred fifty-two thousand, four hundred thirty-four".