1387236 has 12 divisors (see below), whose sum is σ = 3236912. Its totient is φ = 462408.

The previous prime is 1387231. The next prime is 1387259. The reversal of 1387236 is 6327831.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1387231) 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, 57790 + ... + 57813.

2^1387236 is an apocalyptic number.

It is an amenable number.

1387236 is an abundant number, since it is smaller than the sum of its proper divisors (1849676).

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

1387236 is a wasteful number, since it uses less digits than its factorization.

1387236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115610 (or 115608 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1387236 is about 1177.8098318489. The cubic root of 1387236 is about 111.5278808464.

The spelling of 1387236 in words is "one million, three hundred eighty-seven thousand, two hundred thirty-six".