11871742 has 8 divisors (see below), whose sum is σ = 17984232. Its totient is φ = 5877000.

The previous prime is 11871737. The next prime is 11871767. The reversal of 11871742 is 24717811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11871742² = 281876516229128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29184 + ... + 29587.

It is an arithmetic number, because the mean of its divisors is an integer number (2248029).

Almost surely, 2^11871742 is an apocalyptic number.

11871742 is a deficient number, since it is larger than the sum of its proper divisors (6112490).

11871742 is a wasteful number, since it uses less digits than its factorization.

11871742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58874.

The product of its digits is 3136, while the sum is 31.

The square root of 11871742 is about 3445.5394352699. The cubic root of 11871742 is about 228.1242653883.

The spelling of 11871742 in words is "eleven million, eight hundred seventy-one thousand, seven hundred forty-two".