13292643 has 64 divisors (see below), whose sum is σ = 23869440. Its totient is φ = 6386688.

The previous prime is 13292639. The next prime is 13292663. The reversal of 13292643 is 34629231.

13292643 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 not a de Polignac number, because 13292643 - 2² = 13292639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13292643.

It is not an unprimeable number, because it can be changed into a prime (13292663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182055 + ... + 182127.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

Almost surely, 2^13292643 is an apocalyptic number.

13292643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13292643 is a deficient number, since it is larger than the sum of its proper divisors (10576797).

13292643 is a wasteful number, since it uses less digits than its factorization.

13292643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148.

The product of its digits is 7776, while the sum is 30.

The square root of 13292643 is about 3645.9077059081. The cubic root of 13292643 is about 236.8847558772.

The spelling of 13292643 in words is "thirteen million, two hundred ninety-two thousand, six hundred forty-three".