1197207913 has 16 divisors (see below), whose sum is σ = 1350457920. Its totient is φ = 1051859200.

The previous prime is 1197207901. The next prime is 1197208009. The reversal of 1197207913 is 3197027911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1197207913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197207313) 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, 35853 + ... + 60661.

It is an arithmetic number, because the mean of its divisors is an integer number (84403620).

Almost surely, 2^1197207913 is an apocalyptic number.

It is an amenable number.

1197207913 is a deficient number, since it is larger than the sum of its proper divisors (153250007).

1197207913 is a wasteful number, since it uses less digits than its factorization.

1197207913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24968.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 1197207913 is about 34600.6923774655. The cubic root of 1197207913 is about 1061.8337527026.

The spelling of 1197207913 in words is "one billion, one hundred ninety-seven million, two hundred seven thousand, nine hundred thirteen".