11962945 has 8 divisors (see below), whose sum is σ = 14498280. Its totient is φ = 9475200.

The previous prime is 11962943. The next prime is 11962963. The reversal of 11962945 is 54926911.

It can be written as a sum of positive squares in 4 ways, for example, as 1046529 + 10916416 = 1023^2 + 3304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11962945 - 2¹ = 11962943 is a prime.

It is a super-2 number, since 2×11962945² = 286224106146050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11962943) 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, 11340 + ... + 12349.

It is an arithmetic number, because the mean of its divisors is an integer number (1812285).

Almost surely, 2^11962945 is an apocalyptic number.

It is an amenable number.

11962945 is a deficient number, since it is larger than the sum of its proper divisors (2535335).

11962945 is a wasteful number, since it uses less digits than its factorization.

11962945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23795.

The product of its digits is 19440, while the sum is 37.

The square root of 11962945 is about 3458.7490513190. The cubic root of 11962945 is about 228.7069533898.

The spelling of 11962945 in words is "eleven million, nine hundred sixty-two thousand, nine hundred forty-five".