1180913 has 2 divisors, whose sum is σ = 1180914. Its totient is φ = 1180912.

The previous prime is 1180903. The next prime is 1180931. The reversal of 1180913 is 3190811.

Together with next prime (1180931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 29584 = 1073^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1180913 - 2⁴ = 1180897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1180903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590456 + 590457.

It is an arithmetic number, because the mean of its divisors is an integer number (590457).

2^1180913 is an apocalyptic number.

It is an amenable number.

1180913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180913 is an equidigital number, since it uses as much as digits as its factorization.

1180913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1180913 is about 1086.6982101761. The cubic root of 1180913 is about 105.6994273701.

The spelling of 1180913 in words is "one million, one hundred eighty thousand, nine hundred thirteen".