10721926 has 4 divisors (see below), whose sum is σ = 16082892. Its totient is φ = 5360962.

The previous prime is 10721911. The next prime is 10721981. The reversal of 10721926 is 62912701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10721926² = 229919394298952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10721894 and 10721903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680480 + ... + 2680483.

It is an arithmetic number, because the mean of its divisors is an integer number (4020723).

Almost surely, 2^10721926 is an apocalyptic number.

10721926 is a deficient number, since it is larger than the sum of its proper divisors (5360966).

10721926 is an equidigital number, since it uses as much as digits as its factorization.

10721926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360965.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 10721926 is about 3274.4352184766. The cubic root of 10721926 is about 220.5079585022.

The spelling of 10721926 in words is "ten million, seven hundred twenty-one thousand, nine hundred twenty-six".