13981476 has 24 divisors (see below), whose sum is σ = 32931360. Its totient is φ = 4616512.

The previous prime is 13981469. The next prime is 13981477. The reversal of 13981476 is 67418931.

13981476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13981476² = 390963342277152, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13981477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4161 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 2^13981476 is an apocalyptic number.

It is an amenable number.

13981476 is an abundant number, since it is smaller than the sum of its proper divisors (18949884).

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

13981476 is a wasteful number, since it uses less digits than its factorization.

13981476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11003 (or 11001 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 13981476 is about 3739.1811937910. The cubic root of 13981476 is about 240.9078807495.

The spelling of 13981476 in words is "thirteen million, nine hundred eighty-one thousand, four hundred seventy-six".