10696639 has 8 divisors (see below), whose sum is σ = 11321840. Its totient is φ = 10077696.

The previous prime is 10696627. The next prime is 10696657. The reversal of 10696639 is 93669601.

It is a happy number.

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

It is a 9-Lehmer number, since φ(10696639) divides (10696639-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 10696639 - 2¹⁷ = 10565567 is a prime.

It is a super-2 number, since 2×10696639² = 228836171792642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10696739) 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, 2209 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (1415230).

Almost surely, 2^10696639 is an apocalyptic number.

10696639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10696639 is a deficient number, since it is larger than the sum of its proper divisors (625201).

10696639 is a wasteful number, since it uses less digits than its factorization.

10696639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 10696639 is about 3270.5716625691. The cubic root of 10696639 is about 220.3344705786.

The spelling of 10696639 in words is "ten million, six hundred ninety-six thousand, six hundred thirty-nine".