13904472 has 16 divisors (see below), whose sum is σ = 34761240. Its totient is φ = 4634816.

The previous prime is 13904467. The next prime is 13904477. The reversal of 13904472 is 27440931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13904467) and next prime (13904477).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289653 + ... + 289700.

Almost surely, 2^13904472 is an apocalyptic number.

13904472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13904472 is an abundant number, since it is smaller than the sum of its proper divisors (20856768).

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

13904472 is a wasteful number, since it uses less digits than its factorization.

13904472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579362 (or 579358 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13904472 is about 3728.8700701419. The cubic root of 13904472 is about 240.4647937250.

The spelling of 13904472 in words is "thirteen million, nine hundred four thousand, four hundred seventy-two".