13409376 has 24 divisors (see below), whose sum is σ = 35199864. Its totient is φ = 4469760.

The previous prime is 13409369. The next prime is 13409401. The reversal of 13409376 is 67390431.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×13409376² = 359622729418752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69745 + ... + 69936.

It is an arithmetic number, because the mean of its divisors is an integer number (1466661).

Almost surely, 2^13409376 is an apocalyptic number.

13409376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13409376 is an abundant number, since it is smaller than the sum of its proper divisors (21790488).

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

13409376 is a wasteful number, since it uses less digits than its factorization.

13409376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139694 (or 139686 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 13409376 is about 3661.8814836092. The cubic root of 13409376 is about 237.5761587705.

The spelling of 13409376 in words is "thirteen million, four hundred nine thousand, three hundred seventy-six".