13400672 has 12 divisors (see below), whose sum is σ = 26382636. Its totient is φ = 6700320.

The previous prime is 13400657. The next prime is 13400689. The reversal of 13400672 is 27600431.

It is a super-3 number, since 3×13400672³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209354 + ... + 209417.

It is an arithmetic number, because the mean of its divisors is an integer number (2198553).

Almost surely, 2^13400672 is an apocalyptic number.

It is an amenable number.

13400672 is a deficient number, since it is larger than the sum of its proper divisors (12981964).

13400672 is an equidigital number, since it uses as much as digits as its factorization.

13400672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418781 (or 418773 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 13400672 is about 3660.6928305991. The cubic root of 13400672 is about 237.5247442363.

The spelling of 13400672 in words is "thirteen million, four hundred thousand, six hundred seventy-two".