13540632 has 32 divisors (see below), whose sum is σ = 38688000. Its totient is φ = 3868704.

The previous prime is 13540627. The next prime is 13540643. The reversal of 13540632 is 23604531.

It is a happy number.

13540632 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 40132 + ... + 40467.

It is an arithmetic number, because the mean of its divisors is an integer number (1209000).

Almost surely, 2^13540632 is an apocalyptic number.

13540632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13540632 is an abundant number, since it is smaller than the sum of its proper divisors (25147368).

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

13540632 is a wasteful number, since it uses less digits than its factorization.

13540632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80615 (or 80611 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13540632 is about 3679.7597747679. The cubic root of 13540632 is about 238.3488047509.

The spelling of 13540632 in words is "thirteen million, five hundred forty thousand, six hundred thirty-two".