11797642 has 4 divisors (see below), whose sum is σ = 17696466. Its totient is φ = 5898820.

The previous prime is 11797637. The next prime is 11797661. The reversal of 11797642 is 24679711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24679711 = 7 ⋅3525673.

It can be written as a sum of positive squares in only one way, i.e., 11758041 + 39601 = 3429^2 + 199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2949409 + ... + 2949412.

Almost surely, 2^11797642 is an apocalyptic number.

11797642 is a deficient number, since it is larger than the sum of its proper divisors (5898824).

11797642 is an equidigital number, since it uses as much as digits as its factorization.

11797642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898823.

The product of its digits is 21168, while the sum is 37.

The square root of 11797642 is about 3434.7695701459. The cubic root of 11797642 is about 227.6486457609.

The spelling of 11797642 in words is "eleven million, seven hundred ninety-seven thousand, six hundred forty-two".