13253970 has 16 divisors (see below), whose sum is σ = 31809600. Its totient is φ = 3534384.

The previous prime is 13253951. The next prime is 13253971. The reversal of 13253970 is 7935231.

13253970 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 (30), and also a Moran number because the ratio is a prime number: 441799 = 13253970 / (1 + 3 + 2 + 5 + 3 + 9 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (13253971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220870 + ... + 220929.

It is an arithmetic number, because the mean of its divisors is an integer number (1988100).

Almost surely, 2^13253970 is an apocalyptic number.

13253970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13253970 is an abundant number, since it is smaller than the sum of its proper divisors (18555630).

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

13253970 is a wasteful number, since it uses less digits than its factorization.

13253970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441809.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 13253970 is about 3640.6002252376. The cubic root of 13253970 is about 236.6548055507.

The spelling of 13253970 in words is "thirteen million, two hundred fifty-three thousand, nine hundred seventy".