10721315 has 8 divisors (see below), whose sum is σ = 14035248. Its totient is φ = 7797280.

The previous prime is 10721309. The next prime is 10721323. The reversal of 10721315 is 51312701.

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

It is a de Polignac number, because none of the positive numbers 2^k-10721315 is a prime.

It is a super-2 number, since 2×10721315² = 229893190658450, which contains 22 as substring.

It is a Duffinian number.

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, 97412 + ... + 97521.

It is an arithmetic number, because the mean of its divisors is an integer number (1754406).

Almost surely, 2^10721315 is an apocalyptic number.

10721315 is a deficient number, since it is larger than the sum of its proper divisors (3313933).

10721315 is a wasteful number, since it uses less digits than its factorization.

10721315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194949.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 10721315 is about 3274.3419186151. The cubic root of 10721315 is about 220.5037697982.

The spelling of 10721315 in words is "ten million, seven hundred twenty-one thousand, three hundred fifteen".