1265916 has 48 divisors (see below), whose sum is σ = 3161088. Its totient is φ = 393600.

The previous prime is 1265911. The next prime is 1265921. The reversal of 1265916 is 6195621.

It is an interprime number because it is at equal distance from previous prime (1265911) and next prime (1265921).

Its product of digits (3240) is a multiple of the sum of its prime factors (162).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15211 + ... + 15293.

It is an arithmetic number, because the mean of its divisors is an integer number (65856).

2^1265916 is an apocalyptic number.

It is an amenable number.

1265916 is an abundant number, since it is smaller than the sum of its proper divisors (1895172).

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

1265916 is a wasteful number, since it uses less digits than its factorization.

1265916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 160 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 1265916 is about 1125.1293258999. The cubic root of 1265916 is about 108.1770074020.

The spelling of 1265916 in words is "one million, two hundred sixty-five thousand, nine hundred sixteen".