1236730 has 16 divisors (see below), whose sum is σ = 2428704. Its totient is φ = 449680.

The previous prime is 1236727. The next prime is 1236737. The reversal of 1236730 is 376321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1236737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5512 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (151794).

2^1236730 is an apocalyptic number.

1236730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1236730 is a deficient number, since it is larger than the sum of its proper divisors (1191974).

1236730 is a wasteful number, since it uses less digits than its factorization.

1236730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11261.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1236730 is about 1112.0836299488. The cubic root of 1236730 is about 107.3391862691.

The spelling of 1236730 in words is "one million, two hundred thirty-six thousand, seven hundred thirty".