1263672 has 24 divisors (see below), whose sum is σ = 3422640. Its totient is φ = 421200.

The previous prime is 1263667. The next prime is 1263677. The reversal of 1263672 is 2763621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1263667) and next prime (1263677).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8704 + ... + 8847.

It is an arithmetic number, because the mean of its divisors is an integer number (142610).

2^1263672 is an apocalyptic number.

1263672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1263672 is an abundant number, since it is smaller than the sum of its proper divisors (2158968).

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

1263672 is a wasteful number, since it uses less digits than its factorization.

1263672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17563 (or 17556 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1263672 is about 1124.1316648863. The cubic root of 1263672 is about 108.1130503461.

The spelling of 1263672 in words is "one million, two hundred sixty-three thousand, six hundred seventy-two".