13020670 has 32 divisors (see below), whose sum is σ = 25931808. Its totient is φ = 4675968.

The previous prime is 13020659. The next prime is 13020671. The reversal of 13020670 is 7602031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3457 + ... + 6163.

It is an arithmetic number, because the mean of its divisors is an integer number (810369).

Almost surely, 2^13020670 is an apocalyptic number.

13020670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13020670 is a deficient number, since it is larger than the sum of its proper divisors (12911138).

13020670 is a wasteful number, since it uses less digits than its factorization.

13020670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13020670 is about 3608.4165502336. The cubic root of 13020670 is about 235.2580235198.

The spelling of 13020670 in words is "thirteen million, twenty thousand, six hundred seventy".