1357970 has 16 divisors (see below), whose sum is σ = 2459160. Its totient is φ = 539904.

The previous prime is 1357969. The next prime is 1358009. The reversal of 1357970 is 797531.

It can be written as a sum of positive squares in 4 ways, for example, as 1329409 + 28561 = 1153^2 + 169^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994 + ... + 2586.

2^1357970 is an apocalyptic number.

1357970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1357970 is a deficient number, since it is larger than the sum of its proper divisors (1101190).

1357970 is a wasteful number, since it uses less digits than its factorization.

1357970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 1357970 is about 1165.3196986235. The cubic root of 1357970 is about 110.7380126542.

The spelling of 1357970 in words is "one million, three hundred fifty-seven thousand, nine hundred seventy".