1332981 has 12 divisors (see below), whose sum is σ = 2073708. Its totient is φ = 820224.

The previous prime is 1332979. The next prime is 1332997. The reversal of 1332981 is 1892331.

It can be written as a sum of positive squares in 2 ways, for example, as 576081 + 756900 = 759^2 + 870^2 .

It is not a de Polignac number, because 1332981 - 2¹ = 1332979 is a prime.

It is a super-2 number, since 2×1332981² = 3553676692722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5580 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (172809).

2^1332981 is an apocalyptic number.

It is an amenable number.

1332981 is a deficient number, since it is larger than the sum of its proper divisors (740727).

1332981 is a wasteful number, since it uses less digits than its factorization.

1332981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412 (or 11409 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1332981 is about 1154.5479634905. The cubic root of 1332981 is about 110.0545459505.

The spelling of 1332981 in words is "one million, three hundred thirty-two thousand, nine hundred eighty-one".