13150278 has 12 divisors (see below), whose sum is σ = 28492308. Its totient is φ = 4383420.

The previous prime is 13150243. The next prime is 13150279. The reversal of 13150278 is 87205131.

It is a super-2 number, since 2×13150278² = 345859622954568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13150279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 365268 + ... + 365303.

It is an arithmetic number, because the mean of its divisors is an integer number (2374359).

Almost surely, 2^13150278 is an apocalyptic number.

13150278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13150278 is an abundant number, since it is smaller than the sum of its proper divisors (15342030).

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

13150278 is a wasteful number, since it uses less digits than its factorization.

13150278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730579 (or 730576 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 13150278 is about 3626.3312038478. The cubic root of 13150278 is about 236.0360353860.

The spelling of 13150278 in words is "thirteen million, one hundred fifty thousand, two hundred seventy-eight".