16953213 has 8 divisors (see below), whose sum is σ = 23155776. Its totient is φ = 11026400.

The previous prime is 16953203. The next prime is 16953221. The reversal of 16953213 is 31235961.

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

It is a cyclic number.

It is not a de Polignac number, because 16953213 - 2¹⁰ = 16952189 is a prime.

It is a super-2 number, since 2×16953213² = 574822862046738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16953203) 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, 68793 + ... + 69038.

It is an arithmetic number, because the mean of its divisors is an integer number (2894472).

Almost surely, 2^16953213 is an apocalyptic number.

It is an amenable number.

16953213 is a deficient number, since it is larger than the sum of its proper divisors (6202563).

16953213 is a wasteful number, since it uses less digits than its factorization.

16953213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137875.

The product of its digits is 4860, while the sum is 30.

The square root of 16953213 is about 4117.4279592969. The cubic root of 16953213 is about 256.8920549767.

The spelling of 16953213 in words is "sixteen million, nine hundred fifty-three thousand, two hundred thirteen".