11879748 has 18 divisors (see below), whose sum is σ = 30029454. Its totient is φ = 3959904.

The previous prime is 11879743. The next prime is 11879759. The reversal of 11879748 is 84797811.

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 101124 = 3432^2 + 318^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×11879748² = 282256825087008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11879743) 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, 164961 + ... + 165032.

It is an arithmetic number, because the mean of its divisors is an integer number (1668303).

Almost surely, 2^11879748 is an apocalyptic number.

11879748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11879748 is an abundant number, since it is smaller than the sum of its proper divisors (18149706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11879748 is a wasteful number, since it uses less digits than its factorization.

11879748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330003 (or 329998 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 11879748 is about 3446.7010314212. The cubic root of 11879748 is about 228.1755342605.

The spelling of 11879748 in words is "eleven million, eight hundred seventy-nine thousand, seven hundred forty-eight".