13998572 has 24 divisors (see below), whose sum is σ = 28528416. Its totient is φ = 5885568.

The previous prime is 13998557. The next prime is 13998587. The reversal of 13998572 is 27589931.

It is an interprime number because it is at equal distance from previous prime (13998557) and next prime (13998587).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3233 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (1188684).

Almost surely, 2^13998572 is an apocalyptic number.

It is an amenable number.

13998572 is an abundant number, since it is smaller than the sum of its proper divisors (14529844).

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

13998572 is a wasteful number, since it uses less digits than its factorization.

13998572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9497 (or 9495 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 13998572 is about 3741.4665573809. The cubic root of 13998572 is about 241.0060316552.

The spelling of 13998572 in words is "thirteen million, nine hundred ninety-eight thousand, five hundred seventy-two".