1374987 has 6 divisors (see below), whose sum is σ = 1836028. Its totient is φ = 915304.

The previous prime is 1374983. The next prime is 1375007. The reversal of 1374987 is 7894731.

It is not a de Polignac number, because 1374987 - 2² = 1374983 is a prime.

It is a Duffinian number.

1374987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1374983) 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, 1693 + ... + 2369.

2^1374987 is an apocalyptic number.

1374987 is a deficient number, since it is larger than the sum of its proper divisors (461041).

1374987 is an frugal number, since it uses more digits than its factorization.

1374987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 680 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 1374987 is about 1172.5983967241. The cubic root of 1374987 is about 111.1986540820.

The spelling of 1374987 in words is "one million, three hundred seventy-four thousand, nine hundred eighty-seven".