11667142 has 12 divisors (see below), whose sum is σ = 17698716. Its totient is φ = 5768280.

The previous prime is 11667133. The next prime is 11667143. The reversal of 11667142 is 24176611.

It is a super-2 number, since 2×11667142² = 272244404896328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11667142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23517 + ... + 24007.

It is an arithmetic number, because the mean of its divisors is an integer number (1474893).

Almost surely, 2^11667142 is an apocalyptic number.

11667142 is a deficient number, since it is larger than the sum of its proper divisors (6031574).

11667142 is an equidigital number, since it uses as much as digits as its factorization.

11667142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 602 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 11667142 is about 3415.7198362863. The cubic root of 11667142 is about 226.8061506916.

The spelling of 11667142 in words is "eleven million, six hundred sixty-seven thousand, one hundred forty-two".