13207970 has 16 divisors (see below), whose sum is σ = 23934528. Its totient is φ = 5247600.

The previous prime is 13207951. The next prime is 13207979. The reversal of 13207970 is 7970231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13207979) 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, 2864 + ... + 5883.

It is an arithmetic number, because the mean of its divisors is an integer number (1495908).

Almost surely, 2^13207970 is an apocalyptic number.

13207970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13207970 is a deficient number, since it is larger than the sum of its proper divisors (10726558).

13207970 is a wasteful number, since it uses less digits than its factorization.

13207970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8905.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 13207970 is about 3634.2770945540. The cubic root of 13207970 is about 236.3807055541.

The spelling of 13207970 in words is "thirteen million, two hundred seven thousand, nine hundred seventy".