11402642 has 4 divisors (see below), whose sum is σ = 17103966. Its totient is φ = 5701320.

The previous prime is 11402627. The next prime is 11402653. The reversal of 11402642 is 24620411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24620411 = 233 ⋅105667.

It can be written as a sum of positive squares in only one way, i.e., 7946761 + 3455881 = 2819^2 + 1859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2850659 + ... + 2850662.

Almost surely, 2^11402642 is an apocalyptic number.

11402642 is a deficient number, since it is larger than the sum of its proper divisors (5701324).

11402642 is an equidigital number, since it uses as much as digits as its factorization.

11402642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701323.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 11402642 is about 3376.7798269949. The cubic root of 11402642 is about 225.0790964710.

The spelling of 11402642 in words is "eleven million, four hundred two thousand, six hundred forty-two".