11612993 has 4 divisors (see below), whose sum is σ = 13272000. Its totient is φ = 9953988.

The previous prime is 11612977. The next prime is 11613011. The reversal of 11612993 is 39921611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39921611 = 97 ⋅411563.

It is a cyclic number.

It is not a de Polignac number, because 11612993 - 2⁴ = 11612977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11612593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829493 + ... + 829506.

It is an arithmetic number, because the mean of its divisors is an integer number (3318000).

Almost surely, 2^11612993 is an apocalyptic number.

It is an amenable number.

11612993 is a deficient number, since it is larger than the sum of its proper divisors (1659007).

11612993 is an equidigital number, since it uses as much as digits as its factorization.

11612993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659006.

The product of its digits is 2916, while the sum is 32.

The square root of 11612993 is about 3407.7841774385. The cubic root of 11612993 is about 226.4547257172.

The spelling of 11612993 in words is "eleven million, six hundred twelve thousand, nine hundred ninety-three".