1236764 has 12 divisors (see below), whose sum is σ = 2175264. Its totient is φ = 615264.

The previous prime is 1236761. The next prime is 1236769. The reversal of 1236764 is 4676321.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (181272).

2^1236764 is an apocalyptic number.

It is an amenable number.

1236764 is a deficient number, since it is larger than the sum of its proper divisors (938500).

1236764 is a wasteful number, since it uses less digits than its factorization.

1236764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1562 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 1236764 is about 1112.0989164638. The cubic root of 1236764 is about 107.3401699112.

The spelling of 1236764 in words is "one million, two hundred thirty-six thousand, seven hundred sixty-four".