947513112 has 128 divisors (see below), whose sum is σ = 2924812800. Its totient is φ = 249090048.

The previous prime is 947513107. The next prime is 947513113. The reversal of 947513112 is 211315749.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947513113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1019464 + ... + 1020392.

It is an arithmetic number, because the mean of its divisors is an integer number (22850100).

Almost surely, 2^947513112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947513112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462406400).

947513112 is an abundant number, since it is smaller than the sum of its proper divisors (1977299688).

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

947513112 is a wasteful number, since it uses less digits than its factorization.

947513112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1421 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 947513112 is about 30781.7009276616. The cubic root of 947513112 is about 982.1890231683.

The spelling of 947513112 in words is "nine hundred forty-seven million, five hundred thirteen thousand, one hundred twelve".