10687401 has 6 divisors (see below), whose sum is σ = 15437370. Its totient is φ = 7124928.

The previous prime is 10687381. The next prime is 10687409. The reversal of 10687401 is 10478601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 1687401 = 3000^2 + 1299^2 .

It is not a de Polignac number, because 10687401 - 2⁹ = 10686889 is a prime.

It is a super-2 number, since 2×10687401² = 228441080269602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10687409) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 593736 + ... + 593753.

It is an arithmetic number, because the mean of its divisors is an integer number (2572895).

Almost surely, 2^10687401 is an apocalyptic number.

It is an amenable number.

10687401 is a deficient number, since it is larger than the sum of its proper divisors (4749969).

10687401 is a wasteful number, since it uses less digits than its factorization.

10687401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187495 (or 1187492 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 10687401 is about 3269.1590661820. The cubic root of 10687401 is about 220.2710227335.

The spelling of 10687401 in words is "ten million, six hundred eighty-seven thousand, four hundred one".