11642497 has 4 divisors (see below), whose sum is σ = 12255280. Its totient is φ = 11029716.

The previous prime is 11642473. The next prime is 11642507. The reversal of 11642497 is 79424611.

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.

It is a cyclic number.

It is not a de Polignac number, because 11642497 - 2¹⁵ = 11609729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11642447) 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, 306363 + ... + 306400.

It is an arithmetic number, because the mean of its divisors is an integer number (3063820).

Almost surely, 2^11642497 is an apocalyptic number.

It is an amenable number.

11642497 is a deficient number, since it is larger than the sum of its proper divisors (612783).

11642497 is an equidigital number, since it uses as much as digits as its factorization.

11642497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612782.

The product of its digits is 12096, while the sum is 34.

The square root of 11642497 is about 3412.1103440540. The cubic root of 11642497 is about 226.6463406898.

It can be divided in two parts, 116424 and 97, that multiplied together give a triangular number (11293128 = T₄₇₅₂).

The spelling of 11642497 in words is "eleven million, six hundred forty-two thousand, four hundred ninety-seven".