13789572 has 12 divisors (see below), whose sum is σ = 32175696. Its totient is φ = 4596520.

The previous prime is 13789553. The next prime is 13789577. The reversal of 13789572 is 27598731.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13789577) 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, 574554 + ... + 574577.

It is an arithmetic number, because the mean of its divisors is an integer number (2681308).

Almost surely, 2^13789572 is an apocalyptic number.

13789572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13789572 is an abundant number, since it is smaller than the sum of its proper divisors (18386124).

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

13789572 is a wasteful number, since it uses less digits than its factorization.

13789572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149138 (or 1149136 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 13789572 is about 3713.4312973314. The cubic root of 13789572 is about 239.8005982637.

The spelling of 13789572 in words is "thirteen million, seven hundred eighty-nine thousand, five hundred seventy-two".