11391245 has 4 divisors (see below), whose sum is σ = 13669500. Its totient is φ = 9112992.

The previous prime is 11391239. The next prime is 11391251. The reversal of 11391245 is 54219311.

11391245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11391239) and next prime (11391251).

It can be written as a sum of positive squares in 2 ways, for example, as 5769604 + 5621641 = 2402^2 + 2371^2 .

It is a cyclic number.

It is not a de Polignac number, because 11391245 - 2²² = 7196941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139120 + ... + 1139129.

It is an arithmetic number, because the mean of its divisors is an integer number (3417375).

Almost surely, 2^11391245 is an apocalyptic number.

It is an amenable number.

11391245 is a deficient number, since it is larger than the sum of its proper divisors (2278255).

11391245 is an equidigital number, since it uses as much as digits as its factorization.

11391245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278254.

The product of its digits is 1080, while the sum is 26.

The square root of 11391245 is about 3375.0918506020. The cubic root of 11391245 is about 225.0040822305.

The spelling of 11391245 in words is "eleven million, three hundred ninety-one thousand, two hundred forty-five".