11988507 has 8 divisors (see below), whose sum is σ = 16003584. Its totient is φ = 7982888.

The previous prime is 11988469. The next prime is 11988517. The reversal of 11988507 is 70588911.

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 11988507 - 2²³ = 3599899 is a prime.

It is a super-3 number, since 3×11988507³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11988517) 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, 1498 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (2000448).

Almost surely, 2^11988507 is an apocalyptic number.

11988507 is a deficient number, since it is larger than the sum of its proper divisors (4015077).

11988507 is a wasteful number, since it uses less digits than its factorization.

11988507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 11988507 is about 3462.4423460904. The cubic root of 11988507 is about 228.8697351599.

The spelling of 11988507 in words is "eleven million, nine hundred eighty-eight thousand, five hundred seven".