11512489 has 8 divisors (see below), whose sum is σ = 12058560. Its totient is φ = 10970256.

The previous prime is 11512481. The next prime is 11512531. The reversal of 11512489 is 98421511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11512489 - 2³ = 11512481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11512489.

It is not an unprimeable number, because it can be changed into a prime (11512481) 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, 6502 + ... + 8080.

It is an arithmetic number, because the mean of its divisors is an integer number (1507320).

Almost surely, 2^11512489 is an apocalyptic number.

It is an amenable number.

11512489 is a deficient number, since it is larger than the sum of its proper divisors (546071).

11512489 is a wasteful number, since it uses less digits than its factorization.

11512489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919.

The product of its digits is 2880, while the sum is 31.

The square root of 11512489 is about 3393.0058944835. The cubic root of 11512489 is about 225.7995520821.

The spelling of 11512489 in words is "eleven million, five hundred twelve thousand, four hundred eighty-nine".