13545372 has 12 divisors (see below), whose sum is σ = 31605896. Its totient is φ = 4515120.

The previous prime is 13545359. The next prime is 13545373. The reversal of 13545372 is 27354531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545373) 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, 564379 + ... + 564402.

Almost surely, 2^13545372 is an apocalyptic number.

13545372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13545372 is an abundant number, since it is smaller than the sum of its proper divisors (18060524).

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

13545372 is a wasteful number, since it uses less digits than its factorization.

13545372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128788 (or 1128786 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 13545372 is about 3680.4037821956. The cubic root of 13545372 is about 238.3766134364.

The spelling of 13545372 in words is "thirteen million, five hundred forty-five thousand, three hundred seventy-two".