13787372 has 6 divisors (see below), whose sum is σ = 24127908. Its totient is φ = 6893684.

The previous prime is 13787363. The next prime is 13787381. The reversal of 13787372 is 27378731.

It is an interprime number because it is at equal distance from previous prime (13787363) and next prime (13787381).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723418 + ... + 1723425.

It is an arithmetic number, because the mean of its divisors is an integer number (4021318).

Almost surely, 2^13787372 is an apocalyptic number.

It is an amenable number.

13787372 is a deficient number, since it is larger than the sum of its proper divisors (10340536).

13787372 is a wasteful number, since it uses less digits than its factorization.

13787372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446847 (or 3446845 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 13787372 is about 3713.1350635279. The cubic root of 13787372 is about 239.7878449219.

The spelling of 13787372 in words is "thirteen million, seven hundred eighty-seven thousand, three hundred seventy-two".