13253642 has 16 divisors (see below), whose sum is σ = 21409920. Its totient is φ = 6130368.

The previous prime is 13253633. The next prime is 13253677. The reversal of 13253642 is 24635231.

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, 1298 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (1338120).

Almost surely, 2^13253642 is an apocalyptic number.

13253642 is a deficient number, since it is larger than the sum of its proper divisors (8156278).

13253642 is a wasteful number, since it uses less digits than its factorization.

13253642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685.

The product of its digits is 4320, while the sum is 26.

The square root of 13253642 is about 3640.5551774420. Note that the first 3 decimals coincide. The cubic root of 13253642 is about 236.6528533453.

Adding to 13253642 its reverse (24635231), we get a palindrome (37888873).

The spelling of 13253642 in words is "thirteen million, two hundred fifty-three thousand, six hundred forty-two".