11489597 has 8 divisors (see below), whose sum is σ = 13584000. Its totient is φ = 9508464.

The previous prime is 11489593. The next prime is 11489609. The reversal of 11489597 is 79598411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11489597 - 2² = 11489593 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11489591) 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, 28097 + ... + 28502.

It is an arithmetic number, because the mean of its divisors is an integer number (1698000).

Almost surely, 2^11489597 is an apocalyptic number.

It is an amenable number.

11489597 is a deficient number, since it is larger than the sum of its proper divisors (2094403).

11489597 is an equidigital number, since it uses as much as digits as its factorization.

11489597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56635.

The product of its digits is 90720, while the sum is 44.

The square root of 11489597 is about 3389.6308058548. The cubic root of 11489597 is about 225.6497891237.

The spelling of 11489597 in words is "eleven million, four hundred eighty-nine thousand, five hundred ninety-seven".