13620376 has 32 divisors (see below), whose sum is σ = 31841280. Its totient is φ = 5306400.

The previous prime is 13620317. The next prime is 13620407. The reversal of 13620376 is 67302631.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 11.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10440 + ... + 11671.

It is an arithmetic number, because the mean of its divisors is an integer number (995040).

Almost surely, 2^13620376 is an apocalyptic number.

It is an amenable number.

13620376 is an abundant number, since it is smaller than the sum of its proper divisors (18220904).

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

13620376 is a wasteful number, since it uses less digits than its factorization.

13620376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22135 (or 22131 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 13620376 is about 3690.5793583122. The cubic root of 13620376 is about 238.8157868105.

The spelling of 13620376 in words is "thirteen million, six hundred twenty thousand, three hundred seventy-six".