11947260 has 144 divisors (see below), whose sum is σ = 38991456. Its totient is φ = 2715648.

The previous prime is 11947213. The next prime is 11947283. The reversal of 11947260 is 6274911.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225394 + ... + 225446.

It is an arithmetic number, because the mean of its divisors is an integer number (270774).

Almost surely, 2^11947260 is an apocalyptic number.

11947260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11947260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19495728).

11947260 is an abundant number, since it is smaller than the sum of its proper divisors (27044196).

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

11947260 is a wasteful number, since it uses less digits than its factorization.

11947260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 93 counting only the distinct ones).

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

The square root of 11947260 is about 3456.4808693236. The cubic root of 11947260 is about 228.6069546715.

The spelling of 11947260 in words is "eleven million, nine hundred forty-seven thousand, two hundred sixty".