1265632 has 12 divisors (see below), whose sum is σ = 2491776. Its totient is φ = 632800.

The previous prime is 1265623. The next prime is 1265639. The reversal of 1265632 is 2365621.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1265597 and 1265606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265639) 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 as a sum of consecutive naturals, namely, 19744 + ... + 19807.

It is an arithmetic number, because the mean of its divisors is an integer number (207648).

2^1265632 is an apocalyptic number.

It is an amenable number.

1265632 is a deficient number, since it is larger than the sum of its proper divisors (1226144).

1265632 is an equidigital number, since it uses as much as digits as its factorization.

1265632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39561 (or 39553 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1265632 is about 1125.0031111068. The cubic root of 1265632 is about 108.1689171949.

It can be divided in two parts, 1265 and 632, that multiplied together give a triangular number (799480 = T₁₂₆₄).

The spelling of 1265632 in words is "one million, two hundred sixty-five thousand, six hundred thirty-two".