1174638913 has 16 divisors (see below), whose sum is σ = 1361479680. Its totient is φ = 992596176.

The previous prime is 1174638893. The next prime is 1174638923. The reversal of 1174638913 is 3198364711.

It is a cyclic number.

It is not a de Polignac number, because 1174638913 - 2²¹ = 1172541761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1174638913.

It is not an unprimeable number, because it can be changed into a prime (1174638923) 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, 522570 + ... + 524812.

It is an arithmetic number, because the mean of its divisors is an integer number (85092480).

Almost surely, 2^1174638913 is an apocalyptic number.

It is an amenable number.

1174638913 is a deficient number, since it is larger than the sum of its proper divisors (186840767).

1174638913 is an equidigital number, since it uses as much as digits as its factorization.

1174638913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276.

The product of its digits is 108864, while the sum is 43.

The square root of 1174638913 is about 34273.0056020770. The cubic root of 1174638913 is about 1055.1190428925.

The spelling of 1174638913 in words is "one billion, one hundred seventy-four million, six hundred thirty-eight thousand, nine hundred thirteen".