13825988 has 12 divisors (see below), whose sum is σ = 26395152. Its totient is φ = 6284520.

The previous prime is 13825963. The next prime is 13825993. The reversal of 13825988 is 88952831.

It is a super-2 number, since 2×13825988² = 382315888352288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 314227 = 13825988 / (1 + 3 + 8 + 2 + 5 + 9 + 8 + 8).

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, 157070 + ... + 157157.

It is an arithmetic number, because the mean of its divisors is an integer number (2199596).

Almost surely, 2^13825988 is an apocalyptic number.

It is an amenable number.

13825988 is a deficient number, since it is larger than the sum of its proper divisors (12569164).

13825988 is a wasteful number, since it uses less digits than its factorization.

13825988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314242 (or 314240 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 13825988 is about 3718.3313461820. The cubic root of 13825988 is about 240.0115040782.

The spelling of 13825988 in words is "thirteen million, eight hundred twenty-five thousand, nine hundred eighty-eight".