11947026 has 32 divisors (see below), whose sum is σ = 29409408. Its totient is φ = 3150720.

The previous prime is 11947009. The next prime is 11947037. The reversal of 11947026 is 62074911.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11946984 and 11947002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10395 + ... + 11486.

It is an arithmetic number, because the mean of its divisors is an integer number (919044).

Almost surely, 2^11947026 is an apocalyptic number.

11947026 is an abundant number, since it is smaller than the sum of its proper divisors (17462382).

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

11947026 is a wasteful number, since it uses less digits than its factorization.

11947026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21906.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 11947026 is about 3456.4470197010. The cubic root of 11947026 is about 228.6054621570.

The spelling of 11947026 in words is "eleven million, nine hundred forty-seven thousand, twenty-six".