11542774 has 4 divisors (see below), whose sum is σ = 17314164. Its totient is φ = 5771386.

The previous prime is 11542763. The next prime is 11542781. The reversal of 11542774 is 47724511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885692 + ... + 2885695.

It is an arithmetic number, because the mean of its divisors is an integer number (4328541).

Almost surely, 2^11542774 is an apocalyptic number.

11542774 is a deficient number, since it is larger than the sum of its proper divisors (5771390).

11542774 is an equidigital number, since it uses as much as digits as its factorization.

11542774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771389.

The product of its digits is 7840, while the sum is 31.

The square root of 11542774 is about 3397.4658202843. The cubic root of 11542774 is about 225.9973764282.

The spelling of 11542774 in words is "eleven million, five hundred forty-two thousand, seven hundred seventy-four".